US Bridges

Wilmot Road over Wintergreen Brook

Good

New Haven County, Connecticut · 1 MI North of Route 10 · Structure no. 04892

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
737
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilmot Road over Wintergreen Brook is a concrete culvert carrying Wilmot Road over Wintergreen Brook in New Haven County, Connecticut. It was built in 2017, so it is 8 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 737 vehicles a day, roughly 2% of them trucks, projected to reach 1,095 by 2043. The structure is 24 ft (7.3 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilmot Road
CrossesWintergreen Brook
Location1 MI North of Route 10
RouteCity Street 0
Coordinates41.34579, -72.95818
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width63 ft (19.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic737 (2023)
Projected traffic1,095 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilmot Road over Wintergreen Brook built?

It was built in 2017, making it 8 years old in 2025.

What condition is Wilmot Road over Wintergreen Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Wilmot Road over Wintergreen Brook carry?

About 737 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Wilmot Road over Wintergreen Brook?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 63 ft wide.

Who owns Wilmot Road over Wintergreen Brook?

It is owned by the City or Municipal Highway Agency.